Table 3 Rotated factor loadings of the factors of the original items of the 15D questionnaires and the AQ20 questionnaire.
| 15D questionnaire | AQ20 questionnaire | ||||
|---|---|---|---|---|---|
| Name of the factor | Original item | Rotated factor loadings | Name of the factor | Original item | Rotated factor loadings |
| "Limitation in physical activity" (15.7% of the variation) |
Usual activities Breathing Mobility Vitality Sexual activity |
0.77 0.75 0.66 0.55 0.47 | "Limitation in physical activity" (13.3% of the variation) |
AQ3 AQ13 AQ11 AQ12 AQ17 |
0.76 0.70 0.64 0.49 0.48 |
| "Psychic wellbeing" (14.7% of the variation) |
Depression Distress Vitality |
0.89 0.79 0.54 | "Symptoms at rest" (10.2% of the variation) |
AQ5 AQ18 AQ9 AQ19 AQ7 |
0.56 0.48 0.47 0.44 0.42 |
| "Capability of thinking and speaking" (8.1% of the variation) |
Mental functions Speech |
0.55 0.42 | "Emotional concern" (8.9% of the variation) |
AQ2 AQ16 AQ20 AQ6 AQ17 |
0.58 0.55 0.54 0.45 0.44 |
| Eating (3.9% of the variation) | Eating | 0.40 | "Limitations in daily activities" (6.0% of the variation) |
AQ14 AQ10 AQ15 |
0.57 0.43 0.41 |